CN107815977A - Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method - Google Patents
Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method Download PDFInfo
- Publication number
- CN107815977A CN107815977A CN201710953856.4A CN201710953856A CN107815977A CN 107815977 A CN107815977 A CN 107815977A CN 201710953856 A CN201710953856 A CN 201710953856A CN 107815977 A CN107815977 A CN 107815977A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- steel
- concrete
- beams
- tensioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention relates to the reinforcing wide-span construction method for concrete beam that a kind of pre-stressed steel plate combines with presstressed reinforcing steel, comprise the following steps：S1, two sides of beams of concrete are fixed with beam side steel plate by high-strength anchor bolt；S2, in beams of concrete and floor delivery position wing plate is set；S3, set and shore in beams of concrete bottom；S4, mounting rail face steel plate；S5, mounting rail bottom steel plate；S6, prestressed steel tendon, steering block and anchorage bearing；S7, carry out prestressing steel wire bunch staged stretched；S8, enter cross girders face steel plate staged stretched；S9, enter cross girders bottom steel plate staged stretched；S10, full joist steel plate are symmetrically welded and adjust steel plate stress value；S11, carry out flooring static test；S12, remove whole support systems.The present invention utilizes traditional material, a variety of construction technologies of integrated use, improves the stressed effect of reinforcement.
Description
Technical field
The present invention relates to building engineering field, is combined more specifically to a kind of pre-stressed steel plate with presstressed reinforcing steel
Reinforcing wide-span construction method for concrete beam.
Background technology
The beams of concrete of large span uses merely steel plate reinforcement, causes the thickness of construction usage steel plate to be significantly increased, adds
The deadweight of beams of concrete after reinforcing.Only reinforced with steel strand wires, not only cause the quantity increase of steel strand wires, and increased and open
Difficulty during drawing.Single reinforcing mode adds the difficulty of construction while increasing construction cost.Traditional reinforcing side
Material be present from the problem of great, difficulty of construction is big in formula.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large span
Construction method for concrete beam.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of pre-stressed steel plate and presstressed reinforcing steel group
The reinforcing wide-span construction method for concrete beam of conjunction, the beams of concrete are located at below floor, floor positioned at two beam supports it
Between, comprise the following steps：
S1, two sides of beams of concrete are fixed with beam side steel plate by high-strength anchor bolt；
S2, in beams of concrete and floor delivery position wing plate is set, wing plate welds with beam side steel plate；
S3, set and shore in beams of concrete bottom, make beams of concrete to be reinforced under deadweight state, in zero shift shape
State；
S4, mounting rail face steel plate, beam face steel plate is welded by styletable；
S5, mounting rail bottom steel plate, beam bottom steel plate carry out T junction welding procedure with beam coxostermum, now beam bottom plate and abdomen
Small slip can be done between the U-lag weld seam and beams of concrete of plate weld shaping；
S6, prestressed steel tendon, steering block and anchorage bearing, anchorage bearing, beam face are designed with two beam supports
Steering block is designed with steel plate and beam bottom steel plate, prestressing steel wire bunch is fixed on anchorage bearing around steering block；
S7, carry out prestressing steel wire bunch staged stretched；
S8, enter cross girders face steel plate staged stretched；
S9, enter cross girders bottom steel plate staged stretched；
S10, full joist steel plate are symmetrically welded and adjust steel plate stress value；
S11, carry out flooring static test；
S12, remove whole support systems.
In such scheme, before the step S1, it is also necessary to steel plate, beam, post surface are handled, steel member installation
It is preceding to use mechanical derusting, prime.
In such scheme, there is perforate on wing plate, wing plate and beam face steel plate are fixed using split bolt.
In such scheme, shoring in the step S3 is shored using hydraulic jack, and liquid is housed at the top of hydraulic jack
Press oil table.
In such scheme, beam face steel plate includes FX beam face steel plate and tensioning region beam face steel plate.
In such scheme, beam bottom steel plate includes FX beam bottom steel plate and tensioning region beam bottom steel plate.
In such scheme, in the step S7, ess-strain monitoring is carried out, prestress application value is adjusted in real time, makes pre-
The actually applied situation of stress is simulated with effect approach construction, after the completion of tensioning, observes 24h, detailed interrecord structure displacement deformation feelings
Condition, meet Construction control and require into cross girders face steel plate stretching construction.
In such scheme, in the step S8, tensioning equipment is set in steel plate stretching end, pushed away using hydraulic jack is counter
The bearing of tensioning region beam face surface of steel plate, after the completion of tensioning to intermediate openings weld anchor, during carry out ess-strain prison
Control, prestress application value is adjusted in real time, the actually applied situation of prestressing force is simulated with effect approach construction, after the completion of tensioning, see
24h is surveyed, detailed interrecord structure displacement deformation situation, meets Construction control and requires into cross girders bottom steel plate stretching construction.
In such scheme, in the step S9, tensioning equipment is set in steel plate stretching end, pushed away using hydraulic jack is counter
The bearing of tensioning region beam face surface of steel plate, welding anchoring is carried out after the completion of tensioning to opening, during carry out ess-strain prison
Control, prestress application value is adjusted in real time, the actually applied situation of prestressing force is simulated with effect approach construction.
In such scheme, in the step S10, if steel plate stress exceeds Construction control scope, need to prestressing force
Muscle moderately carries out tensioning or put to open, and adjusts steel plate stress value.Hydraulic jack support unloading is to zero, observation beam bottom steel plate stress,
If steel plate stress exceeds Construction control scope, need moderately to carry out tensioning to presstressed reinforcing steel or put to open, adjust steel plate stress value.
Implement the reinforcing wide-span construction method for concrete beam that the pre-stressed steel plate of the present invention combines with presstressed reinforcing steel, have
Following beneficial effect：
The present invention is by prestressing force steel bonding and internal, External prestressed steel strand wires synergy, in prestress wire energy
While fully ensuring that overall structure is safe to use, using the tension stress of steel plate to component positive moment of span central point and both ends hogging moment
" peak load shifting ", redistribute large-span concrete roof beam internal stress, stress is more rational, and deformation is smaller, meets building
The requirement of function.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of original structure beam；
Fig. 2 is that large-span concrete beam reinforces schematic diagram；
Fig. 3 is the 1-1 sectional views in Fig. 2；
Fig. 4 is the 2-2 sectional views in Fig. 2；
Fig. 5 is Fig. 2 top view；
Fig. 6 is Fig. 2 upward view；
Fig. 7 is the stretch-draw anchor end detail treatment schematic diagram in Fig. 6；
Fig. 8 is hydraulic jack, foil gauge, displacement meter schematic view of the mounting position.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now compares accompanying drawing and describe in detail
The embodiment of the present invention.
As shown in figures 1-8, the reinforcing wide-span beams of concrete combined in the pre-stressed steel plate of the present invention with presstressed reinforcing steel is applied
Work method comprises the following steps：
S1, beams of concrete 12 to be reinforced are located at the lower section of floor 13, and floor 13 is between two beam supports 11.Before construction
Steel plate, beam, post surface are handled, mechanical derusting is used before steel member installation, primes.Former beams of concrete (see Fig. 2)
Two sides beam side steel plate 1 is fixed by high-strength anchor bolt 2, and all high-strength anchor bolts 2 pass through beams of concrete 12, but can not interrupt
Or the reinforcing bar in damage original structure beam.
S2, floor are reinforced.In reinforcement and structure flooring delivery position increase wing plate 3, welded with beam side steel plate, and
The perforate on wing plate, fixed using split bolt 4.
S3, beam face are shored, and make concrete component to be reinforced under deadweight state, in zero-bit shifting state.Shore use
Hydraulic jack is shored, and the power of shoring of hydraulic jack is determined by calculating, and hydraulic pressure oil meter is housed at the top of jack, carries out stress
Control.Fig. 8 is shown in the signal of hydraulic jack installation position.
S4, mounting rail face steel plate 5, beam face steel plate is welded by styletable, installation bolt is in place；Beam face steel plate is in beam length
The bolt hole preboring (bolt is not installed) in region is spent, beam face steel plate span centre stays seam, stays seam position to be computed determining, beam face steel plate 5
It is divided into FX beam face steel plate 5a, tensioning region beam face steel plate 5b two parts, refers to Fig. 5.
S5, mounting rail bottom steel plate 6, beam bottom steel plate 6 carry out T junction welding procedure with beam coxostermum, and beam bottom steel plate 6 is in beam
The bolt hole preboring (bolt is not installed) of length areas, now between beam bottom plate and the shape slot weld 7 and beam of web welding forming
Small slip can be done.Beam bottom steel plate span centre stays seam, stays seam position to be computed determining, beam bottom steel plate 6 divides for FX beam face steel
Plate 6a, tensioning region beam face steel plate 6b two parts, refers to Fig. 6.
S6, prestressed steel tendon 8, steering block 9, anchorage bearing 10.Fig. 3, Fig. 4 are seen in the position of steel wire bundle, turn to
The position of block determines by calculating, stress loss during avoiding tensioning.
S7, the staged stretched of prestressing steel wire bunch 8.During carry out ess-strain monitoring (ess-strain control point arranged
Fig. 8 is shown in signal), prestress application value is adjusted in real time, the actually applied situation of prestressing force is simulated with effect approach construction.Tensioning is complete
Cheng Hou, 24h is observed, detailed interrecord structure displacement deformation situation, meets Construction control and requires to carry out back portion steel plate stretching construction.
S8, the staged stretched of beam face pre-stressed steel plate 5.Tensioning equipment is set in steel plate stretching end, using hydraulic jack
The anti-bearing (referring to Fig. 7) for pushing away tensioning region beam face steel plate 5b surfaces, intermediate openings are welded after the completion of tensioning and anchored.During
Ess-strain monitoring (Fig. 8 is shown in the arrangement signal of ess-strain control point) is carried out, prestress application value is adjusted in real time, makes prestressing force real
Border applies situation and simulated with effect approach construction.After the completion of tensioning, 24h is observed, detailed interrecord structure displacement deformation situation, is met
Construction control is required into cross girders bottom steel plate stretching construction.
S9, the staged stretched of beam bottom pre-stressed steel plate 6.Tensioning equipment is set in steel plate stretching end, using hydraulic jack
The anti-bearing (referring to Fig. 7) for pushing away tensioning region beam face steel plate 6b surfaces, welding anchoring is carried out after the completion of tensioning to opening.During
Ess-strain monitoring (Fig. 8 is shown in the arrangement signal of ess-strain control point) is carried out, prestress application value is adjusted in real time, makes prestressing force real
Border applies situation and simulated with effect approach construction.
S10, full joist steel plate are symmetrically welded and adjust steel plate stress value.After the completion of reinforcement beam bottom, the steel plate tensioning of beam face, entirely
Beam is symmetrically welded, and after being welded as a whole, (figure is shown in the arrangement signal of ess-strain control point for observation beam bottom, beam face steel plate stress state
8), if steel plate stress exceeds Construction control scope, need moderately to carry out tensioning to presstressed reinforcing steel or put to open, adjust steel plate stress
Value.Hydraulic jack support unloading observation beam bottom steel plate stress, if steel plate stress exceeds Construction control scope, needs to zero
Tensioning is moderately carried out to presstressed reinforcing steel or is put to open, and adjusts steel plate stress value.
S11, flooring static test, to verify consolidation effect.Load is loaded using sandbag pile on beam, and floor is using note
Water is loaded.By load test, can detection strenthening member meet requirement for bearing capacity, and whether stress and displacement are controlled in construction
Within the scope of system.Observe beam bottom, beam face steel plate stress simultaneously.
S12, remove all supports
Roofing static test is qualified, removes support system.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. the reinforcing wide-span construction method for concrete beam that a kind of pre-stressed steel plate combines with presstressed reinforcing steel, the beams of concrete position
Below floor, floor is between two beam supports, it is characterised in that comprises the following steps：
S1, two sides of beams of concrete are fixed with beam side steel plate by high-strength anchor bolt；
S2, in beams of concrete and floor delivery position wing plate is set, wing plate welds with beam side steel plate；
S3, set and shore in beams of concrete bottom, make beams of concrete to be reinforced under deadweight state, in zero-bit shifting state；
S4, mounting rail face steel plate, beam face steel plate is welded by styletable；
S5, mounting rail bottom steel plate, beam bottom steel plate carry out T junction welding procedure with beam coxostermum, and now beam bottom plate welds with web
Small slip can be done by being connected between the U-lag weld seam of shape and beams of concrete；
S6, prestressed steel tendon, steering block and anchorage bearing, anchorage bearing, beam face steel plate are designed with two beam supports
With steering block is designed with the steel plate of beam bottom, prestressing steel wire bunch is fixed on anchorage bearing around steering block；
S7, carry out prestressing steel wire bunch staged stretched；
S8, enter cross girders face steel plate staged stretched；
S9, enter cross girders bottom steel plate staged stretched；
S10, full joist steel plate are symmetrically welded and adjust steel plate stress value；
S11, carry out flooring static test；
S12, remove whole support systems.
2. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that before the step S1, it is also necessary to handle steel plate, beam, post surface, adopted before steel member installation
With mechanical derusting, prime.
3. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that have perforate on wing plate, wing plate and beam face steel plate are fixed using split bolt.
4. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that shoring in the step S3 is shored using hydraulic jack, and hydraulic oil is housed at the top of hydraulic jack
Table.
5. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that beam face steel plate includes FX beam face steel plate and tensioning region beam face steel plate.
6. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that beam bottom steel plate includes FX beam bottom steel plate and tensioning region beam bottom steel plate.
7. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that in the step S7, carry out ess-strain monitoring, adjust prestress application value in real time, make prestressing force real
Border applies situation and simulated with effect approach construction, after the completion of tensioning, observes 24h, detailed interrecord structure displacement deformation situation, meets
Construction control is required into cross girders face steel plate stretching construction.
8. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 5 combines with presstressed reinforcing steel
Method, it is characterised in that in the step S8, tensioning equipment is set in steel plate stretching end, tensioning is pushed away using hydraulic jack is counter
The bearings of region beam face surface of steel plate, intermediate openings are welded after the completion of tensioning and anchored, during carry out ess-strain monitoring, it is real
When adjust prestress application value, simulate the actually applied situation of prestressing force and effect approach construction, after the completion of tensioning, observe 24h,
Detailed interrecord structure displacement deformation situation, meets Construction control and requires into cross girders bottom steel plate stretching construction.
9. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 6 combines with presstressed reinforcing steel
Method, it is characterised in that in the step S9, tensioning equipment is set in steel plate stretching end, tensioning is pushed away using hydraulic jack is counter
The bearing of region beam face surface of steel plate, welding anchoring is carried out after the completion of tensioning to opening, during carry out ess-strain monitoring, it is real
When adjust prestress application value, simulate the actually applied situation of prestressing force and effect approach construction.
10. the reinforcing wide-span beams of concrete construction party that pre-stressed steel plate according to claim 1 combines with presstressed reinforcing steel
Method, it is characterised in that in the step S10, if steel plate stress exceeds Construction control scope, need to presstressed reinforcing steel appropriateness
Carry out tensioning or put to open, adjust steel plate stress value.Hydraulic jack support unloading observes beam bottom steel plate stress, if steel to zero
Plate stress exceeds Construction control scope, then needs moderately to carry out tensioning to presstressed reinforcing steel or put to open, adjust steel plate stress value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953856.4A CN107815977B (en) | 2017-10-13 | 2017-10-13 | Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953856.4A CN107815977B (en) | 2017-10-13 | 2017-10-13 | Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107815977A true CN107815977A (en) | 2018-03-20 |
| CN107815977B CN107815977B (en) | 2019-08-09 |
Family
ID=61607951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710953856.4A Active CN107815977B (en) | 2017-10-13 | 2017-10-13 | Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107815977B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537929A (en) * | 2018-11-30 | 2019-03-29 | 北京市建筑工程研究院有限责任公司 | Demolishing columns bracing means and reinforcement means |
| CN109898883A (en) * | 2019-04-16 | 2019-06-18 | 江苏交通工程咨询监理有限公司 | A kind of anchorage technology measure of armored concrete beam bottom sticking carbon fiber plate |
| CN110616751A (en) * | 2019-09-24 | 2019-12-27 | 华侨大学 | Experimental device for simulating influence of foundation pit excavation on bearing capacity of adjacent building foundation pile |
| CN114278099A (en) * | 2021-11-29 | 2022-04-05 | 中交世通(重庆)重工有限公司 | Prestress steel structure tool rod piece system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031607A (en) * | 2012-08-01 | 2014-02-20 | Takigawajisha Architects Co Ltd | Installation structure for wooden pole |
| CN203904835U (en) * | 2014-04-29 | 2014-10-29 | 北京市第三建筑工程有限公司 | Integrated external prestressing tendon steering saddle |
| CN104818861A (en) * | 2013-08-03 | 2015-08-05 | 叶香竹 | Pre-stress floor reinforcement method |
| CN105178624A (en) * | 2015-06-30 | 2015-12-23 | 项剑锋 | Prestress wall removing technology implemented by aid of non-binding steel strands |
| CN105332521A (en) * | 2015-11-15 | 2016-02-17 | 北京工业大学 | Seismic hardening additional damping and reinforcing frame connected with joint region |
-
2017
- 2017-10-13 CN CN201710953856.4A patent/CN107815977B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014031607A (en) * | 2012-08-01 | 2014-02-20 | Takigawajisha Architects Co Ltd | Installation structure for wooden pole |
| CN104818861A (en) * | 2013-08-03 | 2015-08-05 | 叶香竹 | Pre-stress floor reinforcement method |
| CN203904835U (en) * | 2014-04-29 | 2014-10-29 | 北京市第三建筑工程有限公司 | Integrated external prestressing tendon steering saddle |
| CN105178624A (en) * | 2015-06-30 | 2015-12-23 | 项剑锋 | Prestress wall removing technology implemented by aid of non-binding steel strands |
| CN105332521A (en) * | 2015-11-15 | 2016-02-17 | 北京工业大学 | Seismic hardening additional damping and reinforcing frame connected with joint region |
Non-Patent Citations (1)
| Title |
|---|
| 李铭: "体外预应力加固技术的研究及应用", 《第十三届全国现代结构工程学术研讨会论文集》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537929A (en) * | 2018-11-30 | 2019-03-29 | 北京市建筑工程研究院有限责任公司 | Demolishing columns bracing means and reinforcement means |
| CN109537929B (en) * | 2018-11-30 | 2021-04-20 | 北京市建筑工程研究院有限责任公司 | Reinforcing device and reinforcing method for extracting column reconstruction |
| CN109898883A (en) * | 2019-04-16 | 2019-06-18 | 江苏交通工程咨询监理有限公司 | A kind of anchorage technology measure of armored concrete beam bottom sticking carbon fiber plate |
| CN110616751A (en) * | 2019-09-24 | 2019-12-27 | 华侨大学 | Experimental device for simulating influence of foundation pit excavation on bearing capacity of adjacent building foundation pile |
| CN114278099A (en) * | 2021-11-29 | 2022-04-05 | 中交世通(重庆)重工有限公司 | Prestress steel structure tool rod piece system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107815977B (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522382B (en) | Self-resetting energy-consumption connecting node of assembled concrete filled steel tubular column and H-shaped steel beam | |
| CN107815977A (en) | Pre-stressed steel plate and presstressed reinforcing steel composite reinforcement large-span concrete beam construction method | |
| JP6856284B2 (en) | Replaceable high energy dissipation prefabricated prestressed shear wall with built-in steel braces | |
| CN102828568A (en) | Concrete shear wall with perpends | |
| CN108342982B (en) | Self-anchoring structure at bearing cable beam end of cable crane of cable stayed bridge of mixed composite beam | |
| CN106906748A (en) | Based on the construction method for mixing prestressed assembled corrugated steel web plate composite box girder | |
| CN110924552A (en) | Prefabricated double-steel-plate concrete combined energy-dissipation coupling beam | |
| CN110821038A (en) | Double-steel-plate concrete combined energy-consumption connecting beam and construction method | |
| CN207727634U (en) | A kind of super-tonnage Singe Pile with Static Load Experiment girder steel counter force system | |
| CN108678226A (en) | Prestressed steel pipe concrete frame profiled sheet shear wall and the practice built in one kind | |
| CN106930436B (en) | Reinforced concrete shear wall with built-in prestressed steel diagonal bracing | |
| CN105752864A (en) | Tower crane attachment joint and construction method thereof | |
| CN108755955A (en) | Reinforcement structure between light gauge cold-formed steel shape house longitudinal cross wall | |
| CN106869317B (en) | The beam column edge of a wing is the group frame system and construction method of concrete-filled rectangular steel tube | |
| CN208563664U (en) | Prestressed steel pipe concrete frame profiled sheet shear wall built in one kind | |
| CN104264782B (en) | Assembled integral pre-stressed concrete frame structure and construction method thereof | |
| CN101761139A (en) | Embedded steel column leg with steel pin | |
| CN213951909U (en) | Tubular connecting piece suitable for steel-concrete composite structure | |
| Polak et al. | Application of FRP for punching shear retrofit of concrete slab-column connections | |
| CN111456027A (en) | Connecting device and connecting method for assembly type supporting and retaining structure | |
| CN206736983U (en) | A kind of anchor box counterforce device suitable for anchored pile-testing method foundation pile static loading test | |
| Kumar et al. | Steel–concrete composite flange plate connections: Cyclic performance and tests | |
| CN214657950U (en) | Assembled shear force wall unit | |
| CN105003078B (en) | Assembly structure for exerting prestress in cross section center of steel structure module framework post | |
| CN217151146U (en) | Super 5 meters girder steel subassembly of encorbelmenting of concrete form support system that encorbelments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221208 Address after: 430000, No. 552, Guanshan 1st Road, Hongshan District, Wuhan City, Hubei Province Patentee after: THE THIRD CONSTRUCTION Co.,Ltd. OF CHINA CONSTRUCTION THIRD ENGINEERING BUREAU Patentee after: China Construction Third Engineering Bureau Science and Innovation Industry Development Co.,Ltd. Address before: 430074 No.2, guannanyuan Road, Hongshan District, Wuhan City, Hubei Province Patentee before: THE THIRD CONSTRUCTION Co.,Ltd. OF CHINA CONSTRUCTION THIRD ENGINEERING BUREAU |